The yellow hot air balloon is 50 ft above the ground and is rising at 3 ft/sThe red hot air balloon is 80 ft above the ground and is riding at 2.5 ft/sWhen will the yellow be higher than the red

Csaudi arabia and wish u us: )

Answertropical depression;

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!

The answer to the first one is barometer.